Concept

Idiastion

Résumé
Idiastion is a small genus of marine ray-finned fish belonging to the family Scorpaenidae, the scorpionfishes. They are found in the Atlantic and Pacific oceans. Taxonomy Idiastion was first described as a genus by the American ichthyologist William N. Eschmeyer in 1965 when he was describing its type species, Idiastion kyphos, from the southeastern Caribbean Sea, between Venezuela and Grenada. Subsequently two more species have been added to the genus from the Pacific Ocean. The genus is classified within the tribe Scorpaenini in the subfamily Scorpaeninae of the scorpionfish family Scorpaenidae. The genus name Idiastion is the Greek word meaning "hermit" or "recluse", alluding to the rarity of the scorpionfishes at the depths at which Idiastion was collected from. Species There are currently three recognized species in this genus:
  • Idiastion hageyi McCosker, 2008(Galapagos humpback scorpionfish)
  • Idiastion kyphos Eschmeyer, 1965 (Sharpcheek
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